class edge {
 Point strt;
 Point nd;
 Point cutoff = null;

public edge(Point p1,Point p2)
{
strt = p1;
nd = p2;
}
public edge(Point p1,Point p2,Point cut)
{
strt = p1;
nd = p2;
cutoff = cut;
}
Point getCutPnt()
{
return cutoff;
}
Point getEnd()
{
return nd;
}
Point getStart()
{
return strt;
}
}